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by ket_gmat » Sun Sep 28, 2008 6:54 am
Got the solution :D
you can skip this question
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by afterhours » Sun Sep 28, 2008 6:59 am
40% increase correct?
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by 4meonly » Sun Sep 28, 2008 7:21 am
Rate is directly proportional A^2
reversely proportional B

Rate is proportional A^2/B

with increased B to keep the same rate (Ax)^2/2B

A should be multiplied by x
x should be equal √2 = 1,41
so A should be increased by 40%

D

OA?
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